Evap Backpressure Valve Test - GE Datex-Ohmeda Aisys Carestation Reference Manual

Aisys

7.12 eVap Backpressure Valve Test

7-98
1. Connect and establish communication with the PC Service Application.
File Preferences
2. In the >
3. Install a Test Cassette in the eVap.
Vaporizer Schematic
4. On the
• Prop Flow Valve DAC Value to 65534
• Inflow valve to On
• Outflow valve to On
• Scavenging to On
• Cassette Power to Off
• Zero Valves Auto box checked ( )
Gas Delivery Schematic
5. On the
• Mixer O2 Flow to 0.00 l/min.
6. Record the following:
• M M M M i i i i x x x x e e e e r r r r O O O O u u u u t t t t l l l l e e e e t t t t pressure
• C C C C a a a a s s s s s s s s e e e e t t t t t t t t e e e e P P P P r r r r e e e e s s s s s s s s u u u u r r r r e e e e
• and e e e e V V V V a a a a p p p p I I I I n n n n f f f f l l l l o o o o w w w w flow readings
Gas Delivery Schematic
7. On the
• Mixer O2 Flow to 0.50 l/min.
8. Record the following:
• M M M M i i i i x x x x e e e e r r r r O O O O u u u u t t t t l l l l e e e e t t t t pressure
• C C C C a a a a s s s s s s s s e e e e t t t t t t t t e e e e P P P P r r r r e e e e s s s s s s s s u u u u r r r r e e e e
• and e e e e V V V V a a a a p p p p I I I I n n n n f f f f l l l l o o o o w w w w flow readings
Vaporizer Schematic
9. On
• Scavenging to Off
10. Wait for the flow and pressure values to stabilize.
11.Record the following:
• M M M M i i i i x x x x e e e e r r r r O O O O u u u u t t t t l l l l e e e e t t t t pressure
• and e e e e V V V V a a a a p p p p I I I I n n n n f f f f l l l l o o o o w w w w flow readings
Vaporizer Schematic
12. On
23000 counts. Observe the e e e e V V V V a a a a p p p p O O O O u u u u t t t t f f f f l l l l o o o o w w w w flow reading.
• Reduce or increase the Prop Flow Valve DAC Value setting until the e e e e V V V V a a a a p p p p O O O O u u u u t t t t f f f f l l l l o o o o w w w w
flow reading is between 150 to 250 ml.
menu set the Gas Supply Pressure Units to kPa.
, set the following:
, set the following:
, set the following:
, set the following :
, reduce the Prop Flow Valve DAC Value to approximately
04/08 M1046983